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April 4, 2010 Engineering & Science Crossword Puzzle

* Happy Easter *


2010 Engineering & Science Crossword Puzzles

Visit the Crossword Express website - RF CafeTake a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

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A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

- Dec 19, Dec 12, Dec 5

- Nov 28, Nov 21, Nov 14, Nov 7

- Oct 31, Oct 24, Oct 17, Oct 10, Oct 3

- Sep 26, Sep 12, Sep 5

- Aug 29, Aug 22

- Jul 25, Jul 18, Jul 11, Jul 4

- Jun 27, Jun 20, Jun 13, Jun 6

- May 30, May 23, May 16, May 9, May 2

- Apr 25, Apr 18, Apr 11, Apr 4

- Mar 28, Mar 21, Mar 14, Mar 7

- Feb 28, Feb 21, Feb 14, Feb 7

- Jan 31, Jan 24, Jan 17, Jan 10, Jan 3

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Cafe - Engineering & Science Crossword Puzzle, April 4, 2010


1. Advanced + ____ + _________ + Rental, TE rental company in San Dego, CA

7. Chemical symbol for silicon

9. Bulletin Board System

11. Readability, Signal, and Tone (QoS report type)

12. Chemical symbol for selenium

13. Closed Circuit Television

15. Unit of length (abbr.)

17. Isolator, oscillator vendor in Tampa, FL

20. Mass unit (abbr.)

21. FCC Part 15 rules apply in this band (abbr.)

23. PC follower

24. Logical negation operator

26. Stock symbol for Intel

29. Engineering Change Order (abbr.)

30. One state of matter (pl.)

32. ______, passive RF component manufacturer in Huntersville, NC (1 wd + 1 abbr.)

34. Adjust a pot

35. Miniature RF connector

37. Singulated piece of IC wafer

38. Its chemical symbol is Co

42. Chemical symbol for polonium

44. RF IC manufacturer headquartered in South Korea (abbr.)

48. Transition from solid to liquid phase

51. Angular speed unit

52. Last statement in a BASIC program

54. Software function selection mechanism

55. Retain a charge

57. Type of modulation (abbr.)

58. Go beyond published limits

60. Type of computer display (abbr.)

62. Substrate for mounting components (abbr.)

64. Miniature threaded RF connector

66. First lines in software that call external libraries

69. Classical physics guy, British

72. Big Blue

74. International Amateur Radio Union (abbr.)

76. Motorola's "Digital ___"

77. Amateur radio abbreviation for the Oceania region (abbr.)

79. Mr. de Forest's first name

80. Chemical symbol for rhodium

81. Million multiply accumlate operations (abbr.)

83. Chemical symbol for bromine

84. Apollo 11 astronaut ____ Armstrong

87. European equivalent to the U.L.

88. Personal Digital Cellular

90. Gun safety and education organization (abbr.)

91. Abbreviation for peak voltage

92. The common connection for all parts of a circuit that connect to the negative side of the power supply, 2 wds.


1. Electronic assembly transport container (pl.)

2. Chemical symbol for erbium

3. ARRL's magazine

4. UMTS terrestrial radio access (abbr.)

5. A type of digital modulation (abbr.)

6. Akin to an EE, CE, AE, etc.

7. Chemical symbol for scandium

8. Network department (abbr.)

9. RF engineer's degree

10. Diode type with very low forward voltage drop

13. Common gateway interface (abbr.)

14. ______ Telecom, waveguide components manufacturer in Melbourne, Australia; also, a mathematical quantity that has both direction and magnitude

15. Designation for a DoD-defined component or system (hyp.)

16. Degree of IC sophistication (abbr.)

18. Amateur Television (abbr.)

19. Termination

22. Lowest power level capable of being demodulated (abbr.)

24. Chemical symbol for neodymium

25. Adjusts

27. Unit of time (abbr.)

28. Company that leases lab equipment, in Lake Mary, FL (abbr.)

31. Specialized mobile radio (abbr.)

33. 12 inches (pl.)

36. Airflow rate (abbr.)

39. Filter type (abbr.)

40. Instrument for measuring current

41. ________ + Standard Circuits, maker of high frequency PCBs, in Chicago, IL

43. Exponent that returns the original number

45. Chemical symbol for helium

46. Foot/12

47. Chemically reacted to harden

49. Local Oscillator (abbr.)

50. Total radiated power (abbr.)

53. Part of CAD

56. Engineering Change Notice (abbr.)

59. Direct Memory Access (abbr.)

61. L-C resonating circuit

63. 10 decibels

65. Chemical symbol for argon

67. 10^1 numerical prefix

68. Type of memory

70. One of the Ws in WWW

71. Rechargeable battery type (abbr.)

73. Type of capacitor dielectric

75. Internet address (abbr.)

78. Common shorthand reference for a capacitor (pl.)

81. Akin to EEs, CEs, AEs, etc.

82. CDMA Development Group (abbr.)

85. 1.602E-19 Joules

86. Internet protocol (abbr.)

87. Chemical symbol for cesium

89. Chemical symbol for chromium

See solution below

RF Cafe - Engineering & Science Crossword Puzzle, April 4, 2010

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1996 - 2024


Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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